七乙二醇单对甲苯磺酸酯 (CAS No.79622-11-0)
- 物化性质
- 无色至淡黄色粘稠液体,分子量494.6,密度约1.14 g/cm³(20°C),沸点>200°C(伴随分解),闪点>110°C。易溶于水、乙醇、二氯甲烷、DMF、DMSO等溶剂。
- 纯度
- ≥95%(HPLC)
- 外观
- 无色至淡黄色粘稠液体
- 溶解性
- 溶于水、乙醇、二氯甲烷、DMF、DMSO
- 储存条件
- -20°C干燥避光保存,建议惰性气体保护
English description(英文原文,共 1165 字符)
Product Name:m-PEG7-OTs
English Name:m-PEG7-OTs
CAS No.:79622-11-0
Aliases:Heptaethylene glycol monotosylate, m-PEG7-tosylate, Methoxy-PEG7-tosylate
Molecular Formula:C22H38O10S
Physical Properties:Colorless to light yellow viscous liquid, molecular weight 494.6, density approx. 1.14 g/cm³ (20°C), boiling point >200°C (with decomposition), flash point >110°C. Soluble in water, ethanol, dichloromethane, DMF, DMSO and other solvents.
Uses:This product is a monodisperse polyethylene glycol derivative with a terminal p-toluenesulfonate group serving as a good leaving group. It is commonly used as an alkylating agent in nucleophilic substitution reactions to introduce the methoxy PEG chain into drugs, peptides, or biomolecules, and is applied in PEGylation modification, click chemistry precursor synthesis, and functional material preparation.
Technical Specifications:
Formula: C22H38O10S; Molecular weight: 494.6
Purity: ≥95% by HPLC
Appearance: colorless to light yellow viscous liquid
Solubility: soluble in water, ethanol, dichloromethane, DMF, DMSO
Storage: store at -20°C under dry and dark conditions, preferably under inert gas protection
English Name:m-PEG7-OTs
CAS No.:79622-11-0
Aliases:Heptaethylene glycol monotosylate, m-PEG7-tosylate, Methoxy-PEG7-tosylate
Molecular Formula:C22H38O10S
Physical Properties:Colorless to light yellow viscous liquid, molecular weight 494.6, density approx. 1.14 g/cm³ (20°C), boiling point >200°C (with decomposition), flash point >110°C. Soluble in water, ethanol, dichloromethane, DMF, DMSO and other solvents.
Uses:This product is a monodisperse polyethylene glycol derivative with a terminal p-toluenesulfonate group serving as a good leaving group. It is commonly used as an alkylating agent in nucleophilic substitution reactions to introduce the methoxy PEG chain into drugs, peptides, or biomolecules, and is applied in PEGylation modification, click chemistry precursor synthesis, and functional material preparation.
Technical Specifications:
Formula: C22H38O10S; Molecular weight: 494.6
Purity: ≥95% by HPLC
Appearance: colorless to light yellow viscous liquid
Solubility: soluble in water, ethanol, dichloromethane, DMF, DMSO
Storage: store at -20°C under dry and dark conditions, preferably under inert gas protection
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| 产品名称 | 纯度 | 包装规格 | 级别 | 价格 | 库存 | 操作 |
|---|---|---|---|---|---|---|
| 七乙二醇单对甲苯磺酸酯 CAS 79622-11-0 | ≥95%(HPLC) | — | 工业级 | 电议 | — | 询价 |
常见问题
- 七乙二醇单对甲苯磺酸酯的 CAS 号是多少?
- 七乙二醇单对甲苯磺酸酯的 CAS 号是 79622-11-0。
- 七乙二醇单对甲苯磺酸酯的分子式和分子量是什么?
- 七乙二醇单对甲苯磺酸酯的分子式为 C22H38O10S。
- 七乙二醇单对甲苯磺酸酯的英文名称是什么?
- 七乙二醇单对甲苯磺酸酯的英文名称为 m-PEG7-OTs。
- 七乙二醇单对甲苯磺酸酯还有哪些别名?
- 七乙二醇单对甲苯磺酸酯又称 七乙二醇单对甲苯磺酸酯、m-PEG7-对甲苯磺酸酯、Methoxy-PEG7-tosylate。
- 七乙二醇单对甲苯磺酸酯有哪些供应商和生产厂家?
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- 掌上化工七乙二醇单对甲苯磺酸酯产品页汇总了各供应商的最新报价与规格,地址:/chemicals/79622-11-0/。部分供应商价格为电议,可通过页面上的询价功能直接获取。
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